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trnsfer from legacy boot to uefi boot

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envy 15t-ae000
Microsoft Windows 10 (64-bit)

how to transfer the boot of windows from legacy support to uefi?

 

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Hi,

 

It may depend on how the existing installation was performed - let me know the following.

 

Hold down the Windows key and press R

 

Into the Run window, type devmgmt.msc and hit enter.

 

In Device Manager, expand Disk drives, right click the ssd and select Properties - select the Volumes tab and then click the 'Populate' button.

 

What is listed as the Partition style?

 

Regards,

 

DP-K

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Hello 

 

It says MASTER BOOT RECORD(MBR)

 

 

Thanks..

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Hi,

 

You're welcome :generic:

 

In order to boot in uefi mode, you would need to format the HDD with a GUID partition table.

 

You can change this as follows, however it will mean you'll need to install Windows 10 again.

 

Boot from your Windows 10 installation media.

 

Open a Command Prompt- Option 1

 

Enter the following, hitting return after each entry.

 

diskpart

 

list disk

 

Assuming there is only 1 hard drive installed then enter

 

select disk 0

 

clean

 

convert gpt

 

when done type exit and hit enter.

 

Boot into the Bios Menu and re-enable Secure Boot - save this before exiting.

 

Insert the Windows 10 Installation Media and Shutdown the notebook.

 

Tap away at the esc key as soon as you press the power button to enter the Start-up Menu and then select the Boot Options Menu ( f9 ).

 

Use the arrow keys to highlight the CDROM (uefi) or USB Flash Drive ( uefi ) option, depending on which typre of media you're using, then hit enter - if prompted to 'Press any key to continue....' - do so.

 

Regards,

 

DP-K

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do you have any video that show all these step?

 

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Hi,

 

I don't have a video showing this from start to finish, but you will almost certainly find Youtube guides if you search for the individual procedures.

 

First, make sure you have backed-up all your personal data etc to external media as you will be formatting the HDD, so the existing installation of Windows 10 and your personal data will be wiped by this process.

 

If the reason your HDD has a MBR is because it shipped with Windows 7 and you did an in-place upgrade to Windows 10, you should start by Creating Windows 10 installation media.

 

When done, boot from this and convert the partition style to GPT as detailed in my previous post.

 

Next, shutdown the notebook.

 

Tap away at the esc key as soon as you press the power button to enter the Start-up Menu and then select the Bios Menu ( f10 ).

 

Under the System Configuration tab, expand the Boot Options Menu.

 

You need to set Secure Boot to Enabled and Legacy Devices to Disabled.

 

When done, press f10 and select to save the changes.

 

You can just perform a clean installation as detailed in the guide on the following link.  Note: At the activation screen, select 'I don't have a Product key' - Windows will activate automatically once the installation has completed.

 

http://www.howtogeek.com/224342/how-to-clean-install-windows-10/

 

Regards,

 

DP-K

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****Please mark Accept As Solution if it solves your problem****
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